Ever wonder why you may be feeling depressed? It may be due to the Diet Coke you ordered to go with you meal at lunch A new study indicates sodas and other sugary drinks — especially artificially sweetened ones — could be related to depression.

According to the research, which will be officially released at the American Academy of Neurology’s annual meeting people who drink 4 or more of soda daily are about 30 percent more likely to be diagnosed with depression than people who don’t drink soda. Coffee drinkers are about 10 percent less likely to develop depression than people who don’t drink coffee.

The study that The National Institutes of Health did was very comprehensive as they examined more than a quarter of a million people 50 and 71 years of age and studied their drink consumption during 1995 and 1996. Ten years later, these people were asked whether they were ever diagnosed with depression since the year 2000.

According to their study “the risk appeared to be greater for people who drank diet [rather] than regular soda.”

“Our research suggests that cutting out or down on sweetened diet drinks or replacing them with unsweetened coffee may naturally help lower your depression risk,” Honglei Chen, who led the study, said in a statement. ”

Phosphoric acid, a substance found in many soft drinks which can affect bone health, causing high phosphorous levels leading to weak bones. Since osteoporosis can occur at any age, it is of particular concern for children who can get the disease in their youth.

So it is your best interest to stay away from carbonated drinks so that you won’t be at risk for depression or distort your body language and posture as a result of bone disease.